ArticleCerebrovascular diseases extra2025
Safe Navigation of Guiding Catheters during Stenting for Common Carotid Artery Lesions: The "No-Touch" Technique.
Article in Cerebrovascular diseases extra, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Carotid blowout syndrome as a late complication of carotid stenting in irradiated neck: covered stent treatment using the "No-Touch" technique.Therapeutic advances in cardiovascular diseaseArticle
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10 authors.
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Abstract
introductionDuring carotid artery stenting (CAS), safe navigation of the guiding catheter (GC) is essential for the success of procedures. However, in cases where stenosis or floating thrombi are located in the common carotid artery (CCA), especially for proximal lesions, advancing the GC without touching the lesions is often difficult. We describe a preliminary experience of the "no-touch" technique for navigating the GC to the CCA using an inner catheter with a specifically designed shape and stiffness optimized to overcome tortuous anatomy.
methodsWe retrospectively reviewed CAS procedures involving the "no-touch" technique for treating stenotic lesions in the CCA. A 4-Fr Newton-shaped stiff catheter was positioned in the CCA. Given its high stiffness and dedicated shape, contact with the lesser curvature of the aortic arch absorbed kickback force. Then, a 6-Fr intermediate catheter and an 8- or 9-Fr balloon GC were coaxially advanced in sequence to the target position without guidewire support, ensuring "no-touch" with the plaques. Patient characteristics, aortic arch type, lesion location, and periprocedural complications were recorded.
resultsThe technique was applied to eight procedures (six left-sided lesions) in 7 patients (median age, 76 years; six men) among 53 CAS procedures performed on 49 patients. Lesions were located at the proximal CCA (four procedures) or the carotid bifurcation (four procedures). Three patients had floating thrombi, and four had type III aortic arches. GCs were successfully navigated without touching the lesions in all cases, with no periprocedural complications.
conclusionThe "no-touch" technique with a Newton-shaped stiff catheter is useful and feasible for navigating the GC in treating stenotic lesions in the CCA, particularly with tortuous anatomy, proximal lesions, and vulnerable plaques.
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